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Updated: Jul 19, 2026

FIM Imaging and FIMtrack: Two New Tools Allowing High-throughput and Cost Effective Locomotion Analysis
Published on: December 24, 2014
Enhanced Design and Characterization of a Wearable IMU for High-Frequency Motion Capture
Diego Valdés-Tirado1, Gonzalo García Carro1, Juan C Alvarez1
1Multisensor Systems and Robotics Group (SiMuR), Department of Electrical, Electronic, Communications and Systems Engineering, University of Oviedo, 33204 Gijón, Spain.
Abstract:
This paper presents the third-generation design of Bimu, a compact wearable inertial measurement unit (IMU) tailored for advanced human motion tracking. Building on prior iterations, Bimu R2 focuses on enhancing thermal stability, data integrity, and energy efficiency by integrating onboard memory, redesigning the power management system, and optimizing the communication interfaces. A detailed performance evaluation-including noise, bias, scale factor, power consumption, and drift-demonstrates the device's reliability and readiness for deployment in real-world applications ranging from clinical gait analysis to high-speed motion capture. The improvements introduced offer valuable insights for researchers and engineers developing robust wearable sensing solutions.
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